A hard drive is a component of a computer that stores digital information. It is a non-volatile storage device that can retain data even when the computer is turned off. Hard drives are typically internal components, but some models include a built-in hard drive that can be used as portable storage.

The hard drive is a metal platter that is coated with a magnetic material. The platter is divided into sectors, and each sector stores a certain amount of data. The hard drive’s read/write head reads and writes data to the sectors.

Hard drives come in a variety of sizes, …